On Thu, Nov 22, 2018 at 15:20:25 +0800, guangrong.xiao@xxxxxxxxx wrote: > + /* > + * the bit in these two bitmaps indicates the index of the ＠requests This @ is not ASCII, is it? > + * respectively. If it's the same, the corresponding request is free > + * and owned by the user, i.e, where the user fills a request. Otherwise, > + * it is valid and owned by the thread, i.e, where the thread fetches > + * the request and write the result. > + */ > + > + /* after the user fills the request, the bit is flipped. */ > + uint64_t request_fill_bitmap QEMU_ALIGNED(SMP_CACHE_BYTES); > + /* after handles the request, the thread flips the bit. */ > + uint64_t request_done_bitmap QEMU_ALIGNED(SMP_CACHE_BYTES); Use DECLARE_BITMAP, otherwise you'll get type errors as David pointed out. Thanks, Emilio
